There are 8 choices

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YUKON
- 3.0L
  - 220 amp (opt KW5)
  - 250 amp (opt KX4)
- 5.3L
- 6.2L
YUKON XL 1500
- 3.0L
  - 220 amp (opt KW5)
  - 250 amp (opt KX4)
- 5.3L
- 6.2L

Alternator for 2021 GMC Yukon Denali

Fits: YUKON XL 1500 3.0L 250 amp opt KX4 (change)

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